Re: [PATCH 2/2] mac80211: add spectrum capabilities

["Tomas Winkler" <tomasw@gmail.com>]

On Thu, Jun 19, 2008 at 12:17 AM, Johannes Berg
<johannes@sipsolutions.net> wrote:
>
>> Yes, this is handled by firmware, What is important is to make switch
>> on beacon edge.
>> Still our implementation uses also timer in mac rather then some mac
>> to driver over complicated synchronization.
>> Other thing is that the firmware enforce the switching, traffic on the
>> old channel is not allowed after the switch.
>
> Yeah, ok. As for enforcing the traffic, true as well. However, I'd like
> mac80211 to help out with this for those drivers that don't do it all in
> firmware (all others, I'd assume); it's not overly important that you
> switch instantly after receiving the switch beacon, if you take a bit
> longer to do that you'll just potentially miss a few packets. No big
> deal.

Sending few packets  on the old channel would be the spec violation
meaning it will fail the certification if you would
be interested in one.
Anyhow I hope that our patch takes care of the cases with not
supporting fimrware as well.
Thanks
Tomas